Examples with FTPFile org.apache.commons.net.ftp.FTPFile used on opensource projects

Example 91 with FTPFile

use of org.apache.commons.net.ftp.FTPFile in project ant by apache.

the class FTP method findFileName.

/**
 *  find a suitable name for local and remote temporary file
 */
private File findFileName(FTPClient ftp) {
    FTPFile[] files = null;
    final int maxIterations = 1000;
    for (int counter = 1; counter < maxIterations; counter++) {
        File localFile = FILE_UTILS.createTempFile("ant" + Integer.toString(counter), ".tmp", null, false, false);
        String fileName = localFile.getName();
        boolean found = false;
        try {
            if (files == null) {
                files = ftp.listFiles();
            }
            for (FTPFile file : files) {
                if (file != null && file.getName().equals(fileName)) {
                    found = true;
                    break;
                }
            }
        } catch (IOException ioe) {
            throw new BuildException(ioe, getLocation());
        }
        if (!found) {
            localFile.deleteOnExit();
            return localFile;
        }
    }
    return null;
}

Example 92 with FTPFile

use of org.apache.commons.net.ftp.FTPFile in project ant by apache.

the class FTP method getTimeDiff.

/**
 * auto find the time difference between local and remote
 * @param ftp handle to ftp client
 * @return number of millis to add to remote time to make it comparable to local time
 * @since ant 1.6
 */
private long getTimeDiff(FTPClient ftp) {
    long returnValue = 0;
    File tempFile = findFileName(ftp);
    try {
        // create a local temporary file
        FILE_UTILS.createNewFile(tempFile);
        long localTimeStamp = tempFile.lastModified();
        BufferedInputStream instream = new BufferedInputStream(Files.newInputStream(tempFile.toPath()));
        ftp.storeFile(tempFile.getName(), instream);
        instream.close();
        boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
        if (success) {
            FTPFile[] ftpFiles = ftp.listFiles(tempFile.getName());
            if (ftpFiles.length == 1) {
                long remoteTimeStamp = ftpFiles[0].getTimestamp().getTime().getTime();
                returnValue = localTimeStamp - remoteTimeStamp;
            }
            ftp.deleteFile(ftpFiles[0].getName());
        }
        // delegate the deletion of the local temp file to the delete task
        // because of race conditions occurring on Windows
        Delete mydelete = new Delete();
        mydelete.bindToOwner(this);
        mydelete.setFile(tempFile.getCanonicalFile());
        mydelete.execute();
    } catch (Exception e) {
        throw new BuildException(e, getLocation());
    }
    return returnValue;
}

Example 93 with FTPFile

use of org.apache.commons.net.ftp.FTPFile in project ant by apache.

the class FTP method getFile.

/**
 * Retrieve a single file from the remote host. <code>filename</code> may
 * contain a relative path specification. <p>
 *
 * The file will then be retrieved using the entire relative path spec -
 * no attempt is made to change directories. It is anticipated that this
 * may eventually cause problems with some FTP servers, but it simplifies
 * the coding.</p>
 * @param ftp the ftp client
 * @param dir local base directory to which the file should go back
 * @param filename relative path of the file based upon the ftp remote directory
 *        and/or the local base directory (dir)
 * @throws IOException  in unknown circumstances
 * @throws BuildException if skipFailedTransfers is false
 * and the file cannot be retrieved.
 */
protected void getFile(FTPClient ftp, String dir, String filename) throws IOException, BuildException {
    File file = getProject().resolveFile(new File(dir, filename).getPath());
    OutputStream outstream = null;
    try {
        if (newerOnly && isUpToDate(ftp, file, resolveFile(filename))) {
            return;
        }
        if (verbose) {
            log("transferring " + filename + " to " + file.getAbsolutePath());
        }
        File pdir = file.getParentFile();
        if (!pdir.exists()) {
            pdir.mkdirs();
        }
        outstream = new BufferedOutputStream(Files.newOutputStream(file.toPath()));
        ftp.retrieveFile(resolveFile(filename), outstream);
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            String s = "could not get file: " + ftp.getReplyString();
            if (skipFailedTransfers) {
                log(s, Project.MSG_WARN);
                skipped++;
            } else {
                throw new BuildException(s);
            }
        } else {
            log("File " + file.getAbsolutePath() + " copied from " + server, Project.MSG_VERBOSE);
            transferred++;
            if (preserveLastModified) {
                outstream.close();
                outstream = null;
                FTPFile[] remote = ftp.listFiles(resolveFile(filename));
                if (remote.length > 0) {
                    FILE_UTILS.setFileLastModified(file, remote[0].getTimestamp().getTime().getTime());
                }
            }
        }
    } finally {
        FileUtils.close(outstream);
    }
}

Example 94 with FTPFile

use of org.apache.commons.net.ftp.FTPFile in project ant by apache.

the class FTPTaskMirrorImpl method findFileName.

/**
 *  find a suitable name for local and remote temporary file
 */
private File findFileName(FTPClient ftp) {
    FTPFile[] files = null;
    final int maxIterations = 1000;
    for (int counter = 1; counter < maxIterations; counter++) {
        File localFile = FILE_UTILS.createTempFile("ant" + Integer.toString(counter), ".tmp", null, false, false);
        String fileName = localFile.getName();
        boolean found = false;
        try {
            if (files == null) {
                files = ftp.listFiles();
            }
            for (FTPFile file : files) {
                if (file != null && file.getName().equals(fileName)) {
                    found = true;
                    break;
                }
            }
        } catch (IOException ioe) {
            throw new BuildException(ioe, task.getLocation());
        }
        if (!found) {
            localFile.deleteOnExit();
            return localFile;
        }
    }
    return null;
}

Example 95 with FTPFile

use of org.apache.commons.net.ftp.FTPFile in project ant by apache.

the class FTPTaskMirrorImpl method getFile.

/**
 * Retrieve a single file from the remote host. <code>filename</code> may
 * contain a relative path specification. <p>
 *
 * The file will then be retrieved using the entire relative path spec -
 * no attempt is made to change directories. It is anticipated that this
 * may eventually cause problems with some FTP servers, but it simplifies
 * the coding.</p>
 * @param ftp the ftp client
 * @param dir local base directory to which the file should go back
 * @param filename relative path of the file based upon the ftp remote directory
 *        and/or the local base directory (dir)
 * @throws IOException  in unknown circumstances
 * @throws BuildException if skipFailedTransfers is false
 * and the file cannot be retrieved.
 */
protected void getFile(FTPClient ftp, String dir, String filename) throws IOException, BuildException {
    OutputStream outstream = null;
    try {
        File file = task.getProject().resolveFile(new File(dir, filename).getPath());
        if (task.isNewer() && isUpToDate(ftp, file, resolveFile(filename))) {
            return;
        }
        if (task.isVerbose()) {
            task.log("transferring " + filename + " to " + file.getAbsolutePath());
        }
        File pdir = file.getParentFile();
        if (!pdir.exists()) {
            pdir.mkdirs();
        }
        outstream = new BufferedOutputStream(Files.newOutputStream(file.toPath()));
        ftp.retrieveFile(resolveFile(filename), outstream);
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            String s = "could not get file: " + ftp.getReplyString();
            if (task.isSkipFailedTransfers()) {
                task.log(s, Project.MSG_WARN);
                skipped++;
            } else {
                throw new BuildException(s);
            }
        } else {
            task.log("File " + file.getAbsolutePath() + " copied from " + task.getServer(), Project.MSG_VERBOSE);
            transferred++;
            if (task.isPreserveLastModified()) {
                outstream.close();
                outstream = null;
                FTPFile[] remote = ftp.listFiles(resolveFile(filename));
                if (remote.length > 0) {
                    FILE_UTILS.setFileLastModified(file, remote[0].getTimestamp().getTime().getTime());
                }
            }
        }
    } finally {
        FileUtils.close(outstream);
    }
}